On Thu, 6 Jan 2005, Grant Grundler wrote:

> That's a limitation of linux. Linux drivers assume physically
> contigous pages are available for anything that crosses
> a page boundary. KISS when it works but not robust.

yeah, I know, freebsd never had this problem  ...

> FWIW, I had the impression most arches now can support bigger page sizes.
> mips and ia64 implement bigger pages today. I thought ppc, sparc,
> i386, and x86-64 could also support pages sizes > 4k but am not really
> sure about all those.

386 at least will let you play with 4m and 2m pages. x86-64 IIRC will let 
you do 2m pages. On the soft tlb machines you can pretty much do what you 
like on that score. 

ron
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